Add setting to reduce animations, currently tab switching only.

[UweTrottmann]

• [ ] Add new string.

[github-actions[bot]]

Unit Test Results

  7 files    7 suites   8s :stopwatch: 17 tests 17 :heavy_check_mark: 0 :zzz: 0 :x:

Results for commit d62ec90d.

[UweTrottmann]

Not sure about this any longer. Android provides a separate reduce animations setting and it does not apply to tab switching in other apps.

Original report was about sluggish fullscreen performance on Chrome OS.

Leaving this for now.